<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        table {
            width: 500px;
            height: 250px;
        }
        table,
        td,
        th
        {
            border: 1px solid red;
            border-collapse: collapse;
            text-align: center;
        }
    </style>
</head>

<body>
    <h1>111</h1>
    <h4>111</h4>
    <table align="center" cellspacing="0">
        <thead>
            <tr>
                <th>小动物</th>
                <th>名字</th>
                <th>年龄</th>
                <th>图片</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td colspan="2"></td>
                <td></td>
                <td><img src="images/svg/aichong20.svg" alt="aichong20.svg"></td>
            </tr>
            <tr>
                <td rowspan="2"></td>
                <td>21</td>
                <td></td>
                <td><img src="images/svg/aichong21.svg" alt="aichong21.svg"></td>
            </tr>
            <tr>
                <td>111</td>
                <td></td>
                <td><img src="images/svg/aichong27.svg" alt="aichong27.svg"></td>
            </tr>
        </tbody>
    </table>
    <ul>
        <li>11</li>
        <li>12</li>
        <li>12</li>
        <li>13</li>
    </ul>
    <dl>
        <dt>名词</dt>
        <dd>名词解释1</dd>
        <dd>名词解释2</dd>
        <dd>名词解释3</dd>
    </dl>

    <form action="demo.php" method="POST" name="fname">
        <label for="username">用户名：</label> <input type="text" id="username"><br>
        密码：
        <input type="password"><br>
        性别：  
        <label for="nan">男</label> <input type="radio" name="sex" value="男" id="nan"> 
        <label for="nv">女</label> <input type="radio" name="sex" value="女" id="nv"><br>
        爱好：吃饭<input type="checkbox" name="hobby" value="吃饭"> 爱好<input type="checkbox" name="hobby"> 打豆豆<input
            type="checkbox" name="hobby">
        <input type="submit" name="" id="" value="提交">
        <input type="reset">
        <select name="" id="">
            <option value="">北京</option>
            <option value="">天津</option>
            <option value="" selected="selected">山东</option>
        </select>
        <textarea name="" id="" cols="5" rows="3">aaaaaaa</textarea>
    </form>



    <a href="html_2.html" , target="_blank">小熊</a>

    <a href="#">返回顶部</a>
</body>

</html>